[TriEmbed] Battery tab spot welders (may be a resend)

[Kevin McClaning]

All --

Sorry if this is a re-send but I'm not sure my posts are making it to 
the list.

Does anyone have opinion on battery tab spot welders, ala

https://www.amazon.com/Sunkko-Pulse-Welder-Battery-Charger/dp/B07452C39Q/ref=sr_1_1_sspa?ie=UTF8&qid=1540331967&sr=8-1-spons&keywords=battery+tab+spot+welder&psc=1 


I had another DeWalt battery pack die today and thought it might be time 
to buy one. Looking for desired features, safety, general comments. Thanks!

Kevin